Neerslag — 1998
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 56.9 mm | – | – |
| Feb | 13.3 mm | – | – |
| Mar | 64 mm | – | – |
| Apr | 128.3 mm | – | – |
| May | 42.7 mm | – | – |
| Jun | 117.1 mm | – | – |
| Jul | 59.1 mm | – | – |
| Aug | 39.5 mm | – | – |
| Sep |
| 132.7 mm |
| – |
| – |
| Oct | 115.3 mm | – | – |
| Nov | 75.8 mm | – | – |
| Dec | 64.7 mm | – | – |